Tilting bowl concrete mixer



w. MULLER 2,453,583

TILTING BOWL CONCRETE MIXER Filed March 8, 1946 2 Sheets-Sheet 1INVENTOR. WALT E R MULLER.

ATTORNVEY Filed March 8, 1946 NW. 9, H948. W LL R 1 12,453,583

TILTING BOWL CONCRETE MIXER 2 Sheets-Sheet 2 INVENTOR. WALTER MULLER.

ATTORNEY Patented Nov. 9, 1948 t t assessed Tmrmq ow CONCRETE MIXER"Waiter Muller,,zDunellen, N. J assignor to Muller Machinery flompanm;Inc., Metuchen ,Nj J., a

Y smrE-s v The-=improvementsi:re1ate--to concrete-mixers; or the like,the latter secured toithe postvilkat and the likel and inoreparticularly-to mixers of its upper part and torthe shelhl l'tofitheibqtzI-xfor themtfltin'g. tbowlpr tubtype t! of mixing' drum. mutualpositioning and reinforcement-sand the More-specifically theimprovements relate to the fcirmer .toathe interior of saidshelL;Secured-to improvedmeohanicalmounting and control of the the-exterior;of this bowl is-; a;n;:annularh beveled tumor howl of-i-theqnachineand-parts involved rack 24] locatedjwell above tits-bottom and sates-itstherein. V greatest diameteniandthis;rackis? constantlyfin Among theobjects'ofthe-improvementsare the mesh'with a. :pinion l8 omthesdrixcerkshait provisior t of arnew eonstrutionand method of I951mountinglthe tilting mi xer drum and=its'yeke jor 10 The iyoke: l2 withtherotating bowls! l sup:

improving the -eflic iencwand durability of the the-hollow pivot 1113 1151122 I; Iseeured .to; the .top rqtw ng gears=Furtherendfmeidentetobjects 5 ofaathe.mein: upriehtimembersl,ofgthfiframafsq In the drawings, Figure 1 is a perspective view 1 mg210 imthe zouterr @dgesaof IthefiaHg'eS'JTZ 'f 0ft ofithemixer in e 'dbharge position -0 thechenneluformmg th'esynkeehth driYe-end and Zis asideviewo'fthetilting lever-and mixer welding thereto a .DIQAtBiiZiW-ithenppening. 12.5mm drumpositioningend retaining echanism-omen receive513116? pivot i l :at; the: opposite. ren :1: The emerged scale; Y jbottomweb i-,2"; Of ith Zchehnelzis; also-provided i'sia sidee1evetion,-part1y in vertical-secwith apentnresri li and 1:2. qspermitthe massage tibn ,==showi n fihemixer dru m; yOkePmofint-ingofsthebeairingigand th pivot member.respective y and thedrum positionedmechanism; al-so on' an therethrouehn The'vmohnting nithewokezonrgtheenlarged-sheila beeringi-flfl ofwthe idriscezshafitirlsnismroridediqrwithinpertainlimits-without"depsrtin from-the sotheichennel:through;which.;:it nfirstmasses; and sconeor the presentimprovementsfwhieh maiy thisiconstruetiqmendrarrangemenhnotfloniy 131*05be iembodied apparatiisof thischaragcter of vides-f01: a strong;seeure-iandflura le pirotwn modified details=ofeonstruction andarrangement. which the yoke swings, but reinforces-ether:drive machinesupportedwon whee1s 5 ir'z depending the yQke1sWil1 sWing;On: thesepiVQtsy tdQ-Vairyithe brackets *6 at-aoneendendon the shoe :2 when atposition of; the zbowltzl I with entire-.frxeedqMfrom rest dtlthe otherends: A'pullinghan'dle 1 isfsiidunnecessaryfrietion orpbindiheaf ablyconnected withitheuprightmember or post l The: drive shaft; 11 9 is:driven by, @the. pulley 28 bysbing pa'ssed through: a ireinforced;aperture whiehr'inturn i silli zemby heN-r e1t129ifromtfihe8thereimsothatwhen notin useit may be pushed pqwershai-t Qfaa suitablepowehunitiin the housing in and stowed inside the frame. On the rear end,rwhilchkisLiiemqit blewbymmeansrofir hehandieifi ofw-thevframeithehousing 9' .for the-power unit so,.-,thattthe powerrunitqcanzbesquiqkiy,lubricated (netshnwnkofthemaehineis locted. and, serviced;Arsuitableiggland maxsbe provided The mixing :bowl'o'r tub l I ismounted -for'rotaffqr lubrinatine .athe; strait 8 and (bearing 20, andtioniing the ryok.;i2,:spreferab1y consisting on a1so .:fo1:;beering it:w single u -shaped channel iron, by means of a cen-- -F.or.- thepurnbsewm swingingwthe yoke:andibowl trai postwfl-uflxedthereto andprojectingethrough toxvariousypositions, on-athe'ebeeringsd2fl11andl=z2tits: bottom and mounted -in'wsuitable-vhearings 13 a hand i Javier-i312integral with: the plate- 24" im-the iowest portion of theeyokeb Thehowl l'l, provided, and.anextensionlw'afithenplate@2'4 with as-shownpissubstantially in 'the formof a trunholes $3.1-therein concentric;:withrthe. pivot .12 1x 50f outed:monet-iand hes,omits interiorcooperative thel yohecar'e providedlforlsecuringgthesyoke andmixingglbladeSdS and li fi dorrmixi'ng the-concrete mmmammmixinezpositio s toiwhih l' itniex.

be tilted, so that the action of the mixing blades may be varied to suitdifferent materials or different consistencies of the said materials.These holes are engaged by a pin 34 provided with a head 34' andextending through the frame member l and through the said holes of theplate portion 32, being provided with a cotter-pin 35 to prevent the pin34 'fror'nmdvingout of engagement'with the said frame member. Todischarge the contents of the bowl after mixing, the pin 34 isdisengaged from the plate portion 32 and the inverted by means of thehand lever to-asufficient extent to accomplish that purpose.

WhatIclaimis: I 1. In apparatus of the character'described, a pair ofupright frame members, bearing members bowl therein and projectinginwardly; therefrom, a yoke 5 formed of a curved piece of metalsubstantially U-shaped in cross section mounted on "the in-- wardlyprojecting portion of said bearing members near its ends and normallydepending downweirdly between them, amixing bowl mounted for rotation insaid'yoke between said bearing members and adapted to oscillate thereonwith said yoke; anannular rack on the exterior of said bowl, aspinion inmesh with said rack for rotating'said bowl a driving shaft on which saidpinion is fixed, said shaft" extending through and iournaled in one ofsaid bearing members outwardly and inwardly of said yoke, saidyoke-metal being provided with an aperture in its inwardly disposed webthrough which said bearing member passes.

"2. In apparatus of the character described, a pair of upright framemembers, aligned bearing members fixed therein and projecting'inwardlytherefrom, a yoke formed'o'f a curved piece of metal substantiallyU-shaped in cross I section mounted wholly on the inwardly projecting-portion of said bearing members near its ends and normally dependingdownwardly between them, a mixing bowl mounted for rotation in :saidyoke between." saidbearing members and adapted-to oscillate thereon withsaid yoke, an annular rack on "the exterior: of said bowl, a pinion inmesh withzsaidr rack for rotating said bowl, adriving shafton which saidpinion is fixed, said shaft extending through and journaled in one ofsaid bearing members outwardly of said yoke and said bearing memberextending inwardly of said yoke, said yoke-metal being" provided with anaperture in its web through which said bearing member passes. Y I l '3'.Inapparatus of: the character described, a

pair of upright frame members, bearing members therein and projectinginwardly therefrom, a

yoke formedof a curved piece of metal substantiaIlyU-shape'd in crosssection mounted on the inwardly projecting portions of said bearingmembers near its ends and normally extending downwardly between them,the web of said. yoke metal being disposed inwardly, a mixing bowlmounted for rotation in said yoke between said bearing members andadapted to oscillate thereon'with saidyoke, an annular rack on theexterior of said bowl, a pinion in mesh with said rackfor rotating saidbowl, a driving shaft on which said pinion is fixed, said shaftextending through and ,journaled in one of said bearing members and saidbearing member extending inwardly of said yoke, said yoke-metal beingprovided withan aperture in its inwardlydisposed webv through which saidbearing member passes. apparatus of the character describedya pair ofupright frame-members, bearing mem ing said bowl, a

outwardly of said members secured-to and uniting the yoke-metal "flangesand spanning bers therein and projecting inwardly therefrom, a yokeformed of a curved piece of metal substantially U-shaped in crosssection mounted on the inwardly projecting portions of said bearingmembers near its ends and normally depending downwardly between them, amixing bowl mounted for rotation in said yoke between said bearingmembers and adaptedgto oscillate, thereon with said yoke, an annularrack on the exterior of said bowl, a pinion in mesh with said rack forrotatdriving shaft on which said pinion-is. fixed, said shaft extendingthrough and journaled on one of said bearing members and "yoke, platesinside said frame the space between them andprovided with aperturesthrough which the said bearing members pass.

5. In apparatus of the character described, a pair of upright framefmembers, bearing memberstherein and projecting inwardly therefrom, ayoke' formed of a curved ,pieceof metalisube stantially :U-shaped incross section mounted on the inwardly projecting portions of saidbearing membersnear its ends andjnormally depending downwardly betweenthem, a mixing bowl mount+ ed for rotation in said yoke between saidbearing members andadapted to oscillate thereoncwith said; yoke, anannular ,rack on the exterior of said bowl, a pinion in mesh-withsaidrack-for rotating said bowl, adriving shaft on whichrsaid pinion isfixed, said shaft' extending through and journaled in one of saidbearing members and outside of said yoke, plates inside said-framemembers securedto and uniting the yoke-metal thereon with said-yoke, anannular, rack on the exterior of said bowl, apinion' in mesh with saidrack for rotating said bowl, a driving shaft, on which said pinion isfixed, said shaftextending through and journaled; in; one u of saidbearing members and outside ofssaid yoke, plates tinside of said, framemembers ,secured to anduniting the yoke-metal flanges and spanningthe-space between them and provided with apertures through which thesaid bearing members-{pass and anextension of one ofsaid plates forminga segment and having-holes concentric withits bearing member for thereceptionof a detentpto hold the same and the yoke and bowl in positionsto which they may be tilted on the bearing mem bers. l :7. In apparatus;of the character, described, 3a

pair of upright frame members; bearing-ime'mber's with said rack forrotating said bowl, a driv segment and having re ing shaft on which saidpinion is fixed, said bearing member for th yoke and journaled in one ofsaid bearing memto which they may be bers, plates inside said framemembers secured bers. 1 to and uniting the yoke-metal flanges and spana9. In apparatus of the character described, a

ning the space between them and provided with pair of upright framemembers, bearing members ing a segment and having holes concentric withU-shaped in cross section mounted mounted on one of said frame membersmovable with said yoke, means for rotating said be into and out ofengagement with said holes. prising a driving shaft extending through 8.In appa tus of t a a t r d s r d, a wardly of said yoke and journaled inone of said formed of a Curved p e of metal Substansaid bearing memberpasses, and a plate inside to oscillate thereonwith said yoke, anannular WALTER'MULLER' rack on the exterior of said bowl a pinion 4 inmesh with said rack for rotating said bowl, a a i l REFERENCES CITEDdriving shaft on which said pinion istfixed, said The followingreferences are of record in the shaft extending through and inwardly ofsaid yoke file Of this patent and journaled in one of said bearingmembers, UNITED STATES PATENTS plates inside said frame members securedto and N b Name Date uniting the yoke-metal flanges and spanning the er1 v i space between them and provided with apertures 922,212 EdmondsonMay 3 through which the said bearing members pass French I nd anextension of one of said plates forming a 1:453323 Palmeter May 1923

